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#include "common.h" |
#include "common.h" |
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#include <stdio.h> |
#include <stdio.h> |
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#include <string.h> |
#include <string.h> |
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#include <strings.h> |
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#include <sys/param.h> |
#include <sys/param.h> |
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#define LML_TAG_PARAM_BUF_LEN 256 |
#define LML_TAG_PARAM_BUF_LEN 256 |
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static int lml_tag_quote_filter(const char *tag_name, const char *tag_param_buf, char *tag_output_buf, size_t tag_output_buf_len) |
static int lml_tag_quote_filter(const char *tag_name, const char *tag_param_buf, char *tag_output_buf, size_t tag_output_buf_len) |
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{ |
{ |
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if (strcasecmp(tag_name, "quote") == 0) |
if (strcasecmp(tag_name, "quote") == 0) |
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{ |
{ |
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if (lml_tag_quote_level <= LML_TAG_QUOTE_MAX_LEVEL) |
if (lml_tag_quote_level <= LML_TAG_QUOTE_MAX_LEVEL) |
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const static char *LML_tag_def[][3] = { |
const static char *LML_tag_def[][3] = { |
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{"left", "[", ""}, |
{"left", "[", ""}, |
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{"right", "]", NULL}, |
{"right", "]", NULL}, |
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{"bold", "\033[1m", ""}, |
{"bold", "\033[1m", ""}, // does not work in Fterm |
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{"/bold", "\033[22m", NULL}, |
{"/bold", "\033[22m", NULL}, |
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{"b", "\033[1m", ""}, |
{"b", "\033[1m", ""}, |
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{"/b", "\033[22m", NULL}, |
{"/b", "\033[22m", NULL}, |
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{"italic", "\033[5m", ""}, // use blink instead |
{"italic", "\033[5m", ""}, // use blink instead |
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{"/italic", "\033[25m", NULL}, |
{"/italic", "\033[m", NULL}, // \033[25m does not work in Fterm |
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{"i", "\033[5m", ""}, |
{"i", "\033[5m", ""}, |
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{"/i", "\033[25m", NULL}, |
{"/i", "\033[m", NULL}, |
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{"underline", "\033[4m", ""}, |
{"underline", "\033[4m", ""}, |
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{"/underline", "\033[24m", NULL}, |
{"/underline", "\033[m", NULL}, // \033[24m does not work in Fterm |
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{"u", "\033[4m", ""}, |
{"u", "\033[4m", ""}, |
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{"/u", "\033[24m", NULL}, |
{"/u", "\033[m", NULL}, |
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{"color", NULL, (const char *)lml_tag_color_filter}, |
{"color", NULL, (const char *)lml_tag_color_filter}, |
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{"/color", "\033[m", NULL}, |
{"/color", "\033[m", NULL}, |
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{"quote", NULL, (const char *)lml_tag_quote_filter}, |
{"quote", NULL, (const char *)lml_tag_quote_filter}, |
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tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, |
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(lml_tag_quote_level > 0 ? lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP] : "\033[m")); |
(lml_tag_quote_level > 0 ? lml_tag_quote_color[lml_tag_quote_level % LML_TAG_QUOTE_LEVEL_LOOP] : "\033[m")); |
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if (j + tag_output_len >= buf_len - 1) |
if (j + tag_output_len >= buf_len) |
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{ |
{ |
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log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); |
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
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str_out[j] = '\0'; |
str_out[j] = '\0'; |
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return j; |
return j; |
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} |
} |
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tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, |
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lml_tag_quote_color[(lml_tag_quote_level) % LML_TAG_QUOTE_LEVEL_LOOP]); |
lml_tag_quote_color[(lml_tag_quote_level) % LML_TAG_QUOTE_LEVEL_LOOP]); |
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if (j + tag_output_len >= buf_len - 1) |
if (j + tag_output_len >= buf_len) |
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{ |
{ |
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log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); |
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
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str_out[j] = '\0'; |
str_out[j] = '\0'; |
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return j; |
return j; |
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} |
} |
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new_line = 0; |
new_line = 0; |
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} |
} |
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if (str_in[i] == '\033' && str_in[i + 1] == '[') // Escape sequence -- copy directly |
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{ |
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for (k = i + 2; str_in[k] != '\0' && str_in[k] != 'm'; k++) |
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; |
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if (str_in[k] == 'm') // Valid |
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{ |
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if (j + (k - i + 1) >= buf_len) |
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{ |
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log_error("Buffer is not longer enough for output string %d >= %d\n", j + (k - i + 1), buf_len); |
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str_out[j] = '\0'; |
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return j; |
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} |
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memcpy(str_out + j, str_in + i, (size_t)(k - i + 1)); |
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j += (k - i + 1); |
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i = k; |
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continue; |
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} |
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else // reach end of string |
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{ |
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break; |
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} |
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} |
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if (str_in[i] == '\n') |
if (str_in[i] == '\n') |
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{ |
{ |
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tag_start_pos = -1; // jump out of tag at end of line |
tag_start_pos = -1; // jump out of tag at end of line |
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tag_output_len = ((lml_tag_filter_cb)LML_tag_def[k][2])( |
tag_output_len = ((lml_tag_filter_cb)LML_tag_def[k][2])( |
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LML_tag_def[k][0], tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN); |
LML_tag_def[k][0], tag_param_buf, tag_output_buf, LML_TAG_OUTPUT_BUF_LEN); |
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} |
} |
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if (j + tag_output_len >= buf_len - 1) |
if (j + tag_output_len >= buf_len) |
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{ |
{ |
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log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); |
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
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str_out[j] = '\0'; |
str_out[j] = '\0'; |
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return j; |
return j; |
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} |
} |
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{ |
{ |
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if (str_in[i] < 0 || str_in[i] > 127) // GBK chinese character |
if (str_in[i] < 0 || str_in[i] > 127) // GBK chinese character |
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{ |
{ |
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if (j + 2 >= buf_len - 1) |
if (j + 2 >= buf_len) |
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{ |
{ |
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log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 2, buf_len - 1); |
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 2, buf_len); |
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str_out[j] = '\0'; |
str_out[j] = '\0'; |
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return j; |
return j; |
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} |
} |
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} |
} |
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} |
} |
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if (j + 1 >= buf_len - 1) |
if (j + 1 >= buf_len) |
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{ |
{ |
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log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 1, buf_len - 1); |
log_error("Buffer is not longer enough for output string %ld >= %d\n", j + 1, buf_len); |
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str_out[j] = '\0'; |
str_out[j] = '\0'; |
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return j; |
return j; |
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} |
} |
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if (lml_tag_quote_level > 0) |
if (lml_tag_quote_level > 0) |
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{ |
{ |
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tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "\033[m"); |
tag_output_len = snprintf(tag_output_buf, LML_TAG_OUTPUT_BUF_LEN, "\033[m"); |
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if (j + tag_output_len >= buf_len - 1) |
if (j + tag_output_len >= buf_len) |
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{ |
{ |
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log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len - 1); |
log_error("Buffer is not longer enough for output string %d >= %d\n", j + tag_output_len, buf_len); |
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str_out[j] = '\0'; |
str_out[j] = '\0'; |
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return j; |
return j; |
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} |
} |